Jim Zuckerman (photographer) - http://www.jimzuckerman.com/?page/56874/galleries

Jackson Pollock (Splatter Painter) - http://en.wikipedia.org/wiki/Jackson_Pollock

Tatiana Myers (Oil Pastel) - http://www.tatianamyersfineart.com/

Don Marco (Crayon) - http://www.themastercrayonartist.com/shop/custCat.aspx

Edger Mueller (street artist) - http://www.metanamorph.com/